JP4530095B2 - Group management device - Google Patents

Description

  The present invention relates to a group management apparatus that manages a plurality of equipment as a group.

  Conventionally, in a building using a large number of equipment such as an office building and a tenant building, a large number of the equipment is managed using a single equipment management device arranged at one place in the building (Patent Document 1). (See JP-A-9-196444). In addition, by obtaining operation data from a large number of equipment and collecting it in a device management apparatus and monitoring the operating state of the large number of equipment, the necessary equipment such as repair and replacement can be grasped.

  On the other hand, when a plurality of buildings are scattered in one management area, such as hospitals and universities, a device management device is arranged in each building, so a plurality of device management devices exist in one management area. Will be scattered. In this case, it is not easy to check the operating states of all the facility devices in the management area using the scattered device management apparatuses and take appropriate measures according to the state of the facility devices.

  An object of the present invention is to provide a group management apparatus that enables efficient measures to be taken with respect to all equipment in a management area.

A group management device according to a first aspect of the present invention is a group management device that manages a large number of equipment installed respectively in a plurality of buildings as a plurality of groups in a single management region including a plurality of buildings, wherein operation data An acquisition unit, an individual evaluation unit, and an overall evaluation unit are provided. The operation data acquisition unit acquires operation data of a large number of facility devices via the device management apparatus. The equipment management device is arranged for each building. The equipment management device is connected to a group of a large number of equipment installed in each building, and manages a large number of the equipment belonging to the group. The individual evaluation unit evaluates the state of each facility device in multiple stages based on the operation data. The overall evaluation unit determines a first representative value that is a value indicating the worst state among the states of the facility equipment evaluated in multiple stages by the individual evaluation unit, and evaluates the group state based on the first representative value. To do. Further, the overall evaluation unit determines a second representative value that is a value indicating the worst state among the states of the evaluated group, and based on the second representative value, includes all equipment devices in one management area. The general condition.

In the group management device according to the present invention, operation data of a large number of facility devices belonging to a group connected to the device management device is acquired via the device management device. Based on the acquired operation data, the state of each equipment is evaluated in multiple stages. A first representative value that is a value indicating the worst state among the states of the facility equipment evaluated in multiple stages is determined, and the state of the group is evaluated based on the first representative value. Further, a second representative value that is a value indicating the worst state among the states of the evaluated group is determined, and a comprehensive state of all the equipment in one management area is evaluated based on the second representative value. The

This makes it possible to efficiently take necessary measures for the equipment in the management area. Further, it is possible to easily determine which group of equipment in the management area includes what kind of equipment. In addition, it is possible to easily determine which group in the management area should be preferentially dealt with.

  A group management device according to a second invention is the group management device according to the first invention, further comprising a detection unit. The detection unit detects a defective state of the equipment device based on the operation data. Moreover, an individual evaluation part evaluates the state of an installation apparatus in multiple steps based on the frequency with which a detection part detects a defective state.

  In the group management device according to the present invention, the defective state of the equipment is detected based on the operation data. Defective state refers to, for example, a state where an abnormality has occurred and a state where an abnormality is likely to occur, a state where the capacity of the facility equipment is reduced or is likely to decrease, and an increase in the amount of energy consumed by the facility equipment is reduced. And the like. Further, the state of the equipment is evaluated in multiple stages based on the frequency at which the defective state is detected.

  Thereby, the equipment which should respond | correspond preferentially can be specified.

  A group management apparatus according to a third aspect of the present invention is the group management apparatus according to the second aspect of the present invention, further comprising a measuring unit. The measurement unit measures the elapsed time of the defective state detected by the detection unit. Further, the individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state that is the elapsed time of the defective state in the predetermined time. The elapsed time is, for example, a cumulative time during which a defective state occurs when a defective state of the equipment is intermittently generated.

  In the group management device according to the present invention, the elapsed time of the defective state is measured. Further, the state of the equipment is evaluated in multiple stages based on the elapsed time of the defective state in the predetermined time.

  As a result, it is possible to preferentially take measures against equipment that has been in a defective state for a long time.

  A group management apparatus according to a fourth aspect of the present invention is the group management apparatus according to the second aspect of the present invention, further comprising a measuring unit. A measurement part measures the frequency | count of the defect state detected by the detection part. The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state, which is the number of defective states.

  In the group management apparatus according to the present invention, the number of defective states detected by the detection unit is measured. In addition, the state of the equipment is evaluated in multiple stages based on the number of defective states.

  As a result, it is possible to preferentially take measures against the equipment that frequently has a defective state.

A group management apparatus according to a fifth aspect of the present invention is the group management apparatus according to any one of the first to fourth aspects of the present invention, further comprising a display unit. The display unit displays one screen including an individual evaluation display area and an overall evaluation display area. The individual evaluation display area indicates the state of each facility device evaluated by the individual evaluation unit. The overall evaluation display area indicates a group state evaluated by the overall evaluation unit and a comprehensive state of all equipment.

A group management device according to a sixth aspect of the present invention is the group management device according to the fifth aspect of the present invention, and the overall evaluation display area displays a comprehensive state and a group state of all equipment devices in a tree structure.

In the group management apparatus according to the first aspect of the present invention, necessary measures can be taken efficiently with respect to the equipment in the management area. Further, it is possible to easily determine which group of equipment in the management area includes what kind of equipment. In addition, it is possible to easily determine which group in the management area should be dealt with preferentially.

  In the group management apparatus according to the second aspect of the present invention, it is possible to specify facility equipment that should be handled with priority.

  In the group management apparatus according to the third aspect of the present invention, it is possible to preferentially take measures against equipment that has been in a defective state for a long time.

  In the group management device according to the fourth aspect of the present invention, it is possible to preferentially take countermeasures for facility equipment that is frequently defective.

In the group management apparatus according to the fifth and sixth inventions, one system administrator can comprehensively grasp the operating status of all equipment.

It is a figure showing the whole group management system composition concerning this embodiment. It is a figure which shows the structure of the air conditioner installed in one building which concerns on this embodiment. It is the schematic which shows the structure of the air conditioner which concerns on this embodiment. It is the schematic which shows the structure of the local controller which concerns on this embodiment. It is a figure which shows the example of the management screen of the local controller which concerns on this embodiment. It is the schematic which shows the structure of the group management apparatus which concerns on this embodiment. It is a figure which shows the example of the management screen of the group management apparatus which concerns on this embodiment. It is a figure which shows the conditions used for 2nd evaluation of the group management apparatus which concerns on this embodiment. It is a figure which shows the mark used for 1st evaluation of the group management apparatus which concerns on this embodiment. It is a flow which shows the flow of a process of the group management apparatus which concerns on this embodiment. It is a flow which shows the flow of a process of the group management apparatus which concerns on this embodiment. It is a flow which shows the flow of a process of the group management apparatus which concerns on this embodiment. It is a figure which shows the example of the management screen of the group management apparatus which concerns on the modification (1) which concerns on this embodiment. It is a figure which shows another example of the management screen of the group management apparatus which concerns on the modification (1) which concerns on this embodiment. It is a figure which shows another example of the management screen of the group management apparatus which concerns on the modification (1) which concerns on this embodiment. It is a figure which shows the example of the management screen of the group management apparatus which concerns on the modification (7) which concerns on this embodiment.

<First Embodiment>
Hereinafter, the group management system 100 according to the first embodiment of the present invention will be described with reference to the drawings. The number of buildings, local controllers, air conditioner groups, and air conditioners belonging to the air conditioner group in the group management system 100 are not limited to those shown in the drawings.

<overall structure>
FIG. 1 shows a configuration of the group management system 100 of the present embodiment in the property 1. The group management system 100 is a management system used in a property having a plurality of buildings 50a, 50b, 50c in one management area such as a university, a hospital, a factory, or the like. The group management system 100 includes an air conditioner group 10a, 10b, 10c composed of a large number of air conditioners 13a, 13b, 13c, and a local controller (corresponding to a device management apparatus) 20a connected to the air conditioner groups 10a, 10b, 10c. , 20b, 20c and a group management device 30 connected to the local controllers 20a, 20b, 20c.

  2, the building 50a is provided with a local controller 20a and an air conditioner group 10a including a large number of air conditioners 13a, 13b, 13c,. The air conditioners 13a, 13b, and 13c used in the present embodiment are multi-type air conditioners. For example, the air conditioner group 10a includes an outdoor unit 11a and a plurality of indoor units 12aa, 12ab, 12ac, 12ad,... ,..., And an outdoor unit 11c and a plurality of indoor units 12ca, 12cb, 12cc, 12cd,. The local controller 20a and the air conditioner group 10a are connected by a dedicated control line. Similarly, the building 50b is provided with a local controller 20b and an air conditioner group 10b composed of a large number of air conditioners, and the local controller 20b and the air conditioner group 10b are connected by a dedicated control line. Furthermore, the building 50c is provided with a local controller 20c and an air conditioner group 10c including a large number of air conditioners. The local controller 20c and the air conditioner group 10c are also connected by a dedicated control line.

  The group management device 30 is provided in the management area, and is connected to the local controllers 20a, 20b, and 20c disposed in the buildings 50a, 50b, and 50c via an intranet line.

  In the group management system 100 according to the present embodiment, all the indoor units installed in the building are managed using the local controllers 20a, 20b, and 20c arranged in the buildings 50a, 50b, and 50c. Further, all the indoor units in the management area are managed as several groups by using the group management device 30 provided in the management area.

<Configuration of each part>
(1) Schematic configuration of air conditioner The air conditioners 13a, 13b, and 13c used in the present embodiment are multi-type air conditioners as described above. Hereinafter, although the air conditioner 13a which consists of the outdoor unit 11a and indoor unit 12aa, ... which were installed in the building 50a is demonstrated using FIG. 3, air conditioner 13b, 13c is also the same structure. The same applies to air conditioners (not shown) installed in the other buildings 50b and 50c.

  The air conditioner 13a has a refrigerant circuit including a compressor, a heat exchanger, and the like (not shown). Various sensors such as a current sensor 131aa, a room temperature sensor 131ab, a discharge temperature sensor 131ac, a discharge pressure sensor 131ad, and a suction pressure sensor 131ae are attached to the air conditioner 13a. The current sensor 131aa detects an instantaneous current applied to the compressor coil. The room temperature sensor 131ab detects the temperature of the room in which the indoor units 12aa,. The discharge temperature sensor 131ac detects the discharge temperature which is the temperature of the refrigerant in the discharge pipe of the compressor included in the outdoor unit 11a. The discharge pressure sensor 131ad detects the discharge pressure that is the pressure of the refrigerant in the discharge pipe of the compressor included in the outdoor unit 11a. The suction pressure sensor 131ae detects a suction pressure that is a refrigerant pressure in a suction pipe of a compressor included in the air conditioner 13a.

  Furthermore, the air conditioner 13a includes a device communication unit 133a and a device control unit 132a. The device communication unit 133a is connected to the local controller 20a through a dedicated control line. The device control unit 132a controls the operation of the air conditioner 13a according to a control command transmitted from the local controller 20a. Moreover, the apparatus control part 132a is connected to the above-mentioned various sensors 131aa, 131ab, 131ac, 131ad, 131ae,..., And values (operation data) measured by these are set at predetermined intervals (in this embodiment). 1 minute) to the local controller 20a. Further, the device control unit 132a compares a value acquired from each of the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... With a predetermined threshold at a predetermined interval (1 minute in the present embodiment). When an abnormality such as exceeding the threshold is detected, abnormality information indicating that fact is also transmitted as operation data to the local controller 20a.

(2) Schematic configuration of local controller The local controllers 20a, 20b, and 20c are arranged in the buildings 50a, 50b, and 50c. The local controllers 20a, 20b, and 20c centrally manage a large number of air conditioners installed in the buildings 50a, 50b, and 50c in which the local controllers 20a, 20b, and 20c are arranged. Hereinafter, the local controller 20a will be described with reference to FIG. 4, but the other local controllers 20b and 20c have the same configuration.

  The local controller 20a mainly includes a local communication unit 21, a local display unit 22, a local input unit 23, a local storage unit 24, and a local control unit 25.

  The local communication unit 21 exchanges signals with the group management device 30. In addition, the local communication unit 21 exchanges signals with the indoor units 12aa, 12ab, 12ac, 12ad,. Specifically, the local communication unit 21 transmits a control signal to the indoor units 12aa, 12ab, 12ac, 12ad,... Via the outdoor units 11a, 11b, 11c,. , 12ab, 12ac, 12ad,... Receive operation data. Here, the operation data is information on the power on / off of the indoor units 12aa, 12ab, 12ac, 12ad,..., The operation mode, the set temperature, the suction temperature, the wind direction, and the like. Further, the operation data includes values of various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... Acquired by the local control unit 25, which will be described later, periodically connected to the device control unit 132a. included.

  The local display unit 22 is a display that displays a management screen (see FIG. 5) when a management program described later is executed. The management screen is a screen that displays the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Received by the local controller 20a. The management screen is also an operation screen for receiving control commands for the plurality of indoor units 12aa, 12ab, 12ac, 12ad,.

  The local input unit 23 mainly includes a touch panel and operation buttons that cover the above-described display.

  The local storage unit 24 stores operation data received from the indoor units 12aa, 12ab, 12ac, 12ad,. Further, the local storage unit 24 has an area for storing a management program for managing the indoor units 12aa, 12ab, 12ac, 12ad,.

  The local control unit 25 executes a management program stored in the local storage unit 24 to centrally manage the indoor units 12aa, 12ab, 12ac, 12ad,. Specifically, the local control unit 25 periodically connects to the device control unit 132a included in the air conditioners 13a, 13b, and 13c, and acquires the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,. . Further, the local control unit 25 displays the operation status of the indoor units 12aa, 12ab, 12ac, 12ad,... On the local display unit 22 based on the acquired operation data (for example, operation or stop status, room temperature, operation mode, Wind direction, air volume, presence / absence of abnormality). Further, the local control unit 25 controls the plurality of indoor units 12aa, 12ab, 12ac, 12ad,... (Operation / stop, cooling mode / heating mode) based on the control command received by the local display unit 22 described above.・ Change the operation mode such as the ventilation mode, change the temperature, change the wind direction, change the air volume, etc.).

(3) Schematic Configuration of Group Management Device 30 One group management device 30 is installed at a place where the system administrator stands by in the management area. Here, the system administrator refers to an administrator who manages the entire group management system 100. The group management device 30 is connected to all the local controllers 20a, 20b, 20c in the management area, and centrally manages all the air conditioners 13a, 13b, 13c in the management area as the air conditioner groups 10a, 10b, 10c.

  As shown in FIG. 6, the group management device 30 mainly includes a group management communication unit 31, a group management display unit 32, a group management input unit 33, a group management storage unit 34, and a group management control unit 35.

  The group management communication unit 31 is connected to the local communication unit 21 via an intranet line, and exchanges signals with the local controllers 20a, 20b, and 20c.

  The group management display unit 32 is information that is acquired from the local controllers 20a, 20b, and 20c, and is a display that displays a result obtained by executing a group management program described later (see FIG. 7). With the screen displayed on the display, the status of all the air conditioner groups 10a, 10b, 10c arranged in all the buildings 50a, 50b, 50c in the management area can be centrally managed. The group management display unit 32 is also an operation screen for receiving a control command from a system administrator for the plurality of air conditioner groups 10a, 10b, and 10c.

  As shown in FIG. 7, the display of the group management apparatus 30 includes an individual evaluation display area 71, an overall evaluation display area 72, a legend area 73, an operation area 74 for changing settings, And an area 75 for performing a screen operation. In the individual evaluation display area 71, the operation state of the indoor unit evaluated by the individual evaluation unit 35d described later is displayed. Specifically, in the individual evaluation display area 71, all the indoor units 12aa, 12ab, 12ac, 12ad,... Installed in one place selected in the overall evaluation display area 72 (for example, the first floor of the AA building).・ Operation status is displayed. More specifically, in the individual evaluation display area 71, the current operation status (symbol 71a) of the indoor units 12aa, 12ab, 12ac, 12ad,... (Stop, operation (cooling / heating / fan / others), communication abnormality) , Device abnormality and network abnormality) and the operation status (reference numeral 71b) in a certain period (for example, one month) are displayed. In the overall evaluation display area 72, the current operating state of the air conditioner groups 10a, 10b, and 10c evaluated by the overall evaluation unit 35e described later is displayed. Here, the current operating state of the air conditioner groups 10a, 10b, and 10c indicates what state of the indoor unit is currently included in the air conditioner groups 10a, 10b, and 10c. Note that the icons displayed in the individual evaluation display area 71 and the overall evaluation display area 72 are displayed according to the legend given in the area 73.

  The group management input unit 33 mainly includes a touch panel and operation buttons that cover the above-described display.

  The group management storage unit 34 has an area for storing a group management program for centrally managing the air conditioner groups 10 a, 10 b and 10 c connected to the group management device 30. Further, the group management storage unit 34 includes an operation data storage area 34a, a measured value storage area 34b, and an evaluation condition storage area 34c. In the operation data storage area 34a, operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Periodically acquired from the local controllers 20a, 20b, 20c by an operation data acquisition unit 35a described later is accumulated. Go. In the measurement value storage area 34b, values measured by a measurement unit 35c described later are stored. The evaluation condition storage area 34c stores conditions used when an individual evaluation unit 35d described later evaluates the defective state of the indoor units 12aa, 12ab, 12ac, 12ad,... (See FIG. 8A). In addition, the condition weighted by the type of abnormality is memorize | stored so that evaluation can be performed according to the specific content of a defect state.

  The group management control unit 35 executes the group management program stored in the group management storage unit 34 described above, and grasps the operation status of the air conditioner groups 10a, 10b, and 10c. The group management control unit 35 mainly includes an operation data acquisition unit 35a, a detection unit 35b, a measurement unit 35c, an individual evaluation unit 35d, an overall evaluation unit 35e, a collective control unit 35f, and a screen switching unit 35g. Including.

  The operation data acquisition unit 35a acquires the operation data stored in the local storage unit 24 from each of the local controllers 20a, 20b, and 20c.

  The detection unit 35b detects the defective state of the indoor units 12aa, 12ab, 12ac, 12ad,... Belonging to each of the air conditioner groups 10a, 10b, 10c based on the operation data acquired by the operation data acquisition unit 35a. . Specifically, abnormality information included in the operation data is detected. More specifically, the values detected by the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... Are periodically compared with a threshold value, and the indoor units 12aa, It is determined whether or not there is any of 12ab, 12ac, 12ad,.

  The measuring unit 35c measures how often the indoor units 12aa, 12ab, 12ac, 12ad,... Specifically, the accumulated time is measured as to how much the defective state has occurred in one month. The value measured by the measurement unit 35c is stored in the measurement value storage area 34b.

  The individual evaluation unit 35d evaluates the states of the indoor units 12aa, 12ab, 12ac, 12ad,... Based on the operation data. Specifically, the individual evaluation unit 35d performs the first evaluation for evaluating the current state of the indoor units 12aa, 12ab, 12ac, 12ad,... And the constant of the indoor units 12aa, 12ab, 12ac, 12ad,. The second evaluation for evaluating the state in the period is performed. In the first evaluation, based on the operation data, the air conditioners 13a, 13b, and 13c are in a state of, for example, stop, operation (cooling / heating / fan / others), communication abnormality, device abnormality, and network abnormality. It is evaluated whether there is any. The evaluated result is displayed in the individual evaluation display area 71 (location indicated by reference numeral 71a) using the icons listed in the legend 73 of FIG. Moreover, in 2nd evaluation, the defect state of air conditioner 13a, 13b, 13c is evaluated in multiple steps based on driving | operation data. Specifically, it is determined whether or not the value measured by the measurement unit 35c satisfies the condition stored in the evaluation condition storage area 34c, and the level of the defective state is classified. For example, as shown in FIG. 8A, when the time when the values measured by the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... If it is between 60 minutes and 60 minutes, it is evaluated as “Caution”. If it is between 60 minutes and less than 1440 minutes, it is evaluated as “Caution”. The result obtained in the second evaluation is represented by a mark corresponding to the obtained level. As shown in FIG. 7, the result obtained in the second evaluation is displayed in the above-described individual evaluation display area 71 (location indicated by reference numeral 71 b) together with the result obtained in the first evaluation.

  The overall evaluation unit 35e evaluates the current operation state of each air conditioner group 10a, 10b, 10c. Specifically, the overall evaluation unit 35e is based on the current operating state of the indoor units 12aa, 12ab, 12ac, 12ad,... Obtained by the individual evaluation unit 35d, and the air conditioner groups 10a, 10b, 10c. Indicates whether the operating state is abnormal, operating, or stopped. At this time, if the indoor units 12aa, 12ab, 12ac, 12ad,... Included in the air conditioner groups 10a, 10b, 10c are in different operating states, the representative values are displayed as group states. Specifically, as shown in FIG. 8B, priority is provided for the display state. Therefore, for example, when the air conditioner groups 10a, 10b, and 10c have indoor units 12aa, 12ab, 12ac, 12ad,... Corresponding to “abnormal” and “operation”, the air conditioner groups 10a, 10b,. The state 10c is displayed as abnormal (see FIG. 7, reference numeral 76). For example, when the air conditioner groups 10a, 10b, and 10c have indoor units 12aa, 12ab, 12ac, 12ad,... Corresponding to “run” and “stop”, the air conditioner groups 10a, 10b,. The state of 10c is displayed as “driving” (see reference numeral 77 in FIG. 7). Further, the overall evaluation unit 35e performs overall evaluation of the management area 1. That is, representative values are selected from the states of the AA building, the BB building, and the CC building included in the management area 1, and the entire state of the management area 1 is displayed (see reference numeral 79 in FIG. 7).

  The collective control unit 35f generates a collective operation or collective stop control command for all the local controllers 20a, 20b, and 20c connected to the group management apparatus 30.

  The screen switching unit 35g switches the screen displayed on the group management display unit 32 to another screen. Another screen is a management program management screen displayed on the local display unit 22 described above. The group management display unit 32 displays the result (see FIG. 7) obtained by executing the group management program. By selecting each of the air conditioner groups 10a, 10b, and 10c displayed as the result, Then, a management program management screen (see FIG. 5) displayed on the local controllers 20a, 20b, 20c connected to the selected air conditioner groups 10a, 10b, 10c is displayed. The management program management screen displayed here is displayed on the group management display unit 32 of the group management apparatus 30 using a web browser.

(4) Process Flow Hereinafter, a process flow in the group management apparatus 30 will be described with reference to FIGS. 9A to 9C.

  FIG. 9A shows an outline of the flow of processing. In the group management device 30, first, in step S101, the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Is acquired from the local controllers 20a, 20b, 20c by the operation data acquisition unit 35a. Then, it progresses to step S102 and evaluation (individual evaluation) of the driving | running state of each indoor unit 12aa, 12ab, 12ac, 12ad, ... based on driving | operation data is performed. Furthermore, it progresses to step S103, evaluation of each air conditioner group 10a, 10b, 10c based on operation data, and comprehensive with respect to all the indoor units 12aa, 12ab, 12ac, 12ad,. Evaluation (overall evaluation) is performed.

  Next, with reference to FIG. 9B, the process flow of step S <b> 102 in the above flow will be described. First, in step S104, a defective state of the indoor units 12aa, 12ab, 12ac,... Is detected based on the acquired operation data. Specifically, it is determined whether or not there is an abnormality in the operation data by the detection unit 35b. When there is no abnormality in step S104, it progresses to step S105 and evaluation (1st evaluation) of a driving | running state is performed. That is, based on the operation data, the indoor units 12aa, 12ab, 12ac, 12ad,... Are currently stopped, operated (cooling / heating / fan / others), communication abnormality, equipment abnormality, and network abnormality. It is evaluated whether it is in a state, and the evaluated result is displayed on the group management display unit 32 (see FIG. 7, reference numeral 71a). On the other hand, if there is an abnormality in step S104, the process proceeds to step S106. In step 106, first, an operation state evaluation (first evaluation) is performed. That is, as described above, based on the operation data, the indoor units 12aa, 12ab, 12ac, 12ad,... Are currently stopped, operated (cooling / heating / fan / others), communication abnormality, equipment abnormality, and Which state of the network abnormality is evaluated is evaluated, and the evaluated result is displayed on the group management display unit 32 (see reference numeral 71a in FIG. 7). Further, the accumulated time during which the defective state has occurred is measured by the measuring unit 35c. When the accumulated time in the defective state is measured, the process proceeds to step S107, and it is determined whether or not the accumulated time measured by the measuring unit 35c satisfies a predetermined condition (second evaluation). If the predetermined condition is not satisfied in step S107, the process returns to step S104. In step S107, when a predetermined condition is satisfied, the process proceeds to step S108, and a mark corresponding to the satisfied condition is displayed (see reference numeral 71b in FIG. 7).

  Next, the processing flow of step S103 in the above flow will be described with reference to FIG. 9C. First, in step S109, the presence / absence of the indoor units 12aa, 12ab, 12ac, 12ad,... Having an abnormality in each of the air conditioner groups 10a, 10b, 10c is determined. In step S109, if there is an abnormal indoor unit 12aa, 12ab, 12ac, 12ad,..., The process proceeds to step S110 to display an abnormality for the air conditioner groups 10a, 10b, and 10c and an abnormality for the entire management area. Is displayed (see FIG. 7, reference numerals 76 and 79). On the other hand, if there is no abnormal indoor unit 12aa, 12ab, 12ac, 12ad,... In step S109, the process proceeds to step S111, and the indoor units 12aa, 12ab, 12ac, 12ad,. The presence or absence of is determined. In step S111, if there is an indoor unit 12aa, 12ab, 12ac, 12ad,... In operation, the process proceeds to step S112, the operation display for the air conditioner groups 10a, 10b, 10c and the operation for the entire management area. Is displayed (see FIG. 7, reference numeral 77). On the other hand, if there is no indoor unit 12aa, 12ab, 12ac, 12ad,... In operation in step S111, the process proceeds to step S113, the stop display for the air conditioner groups 10a, 10b, 10c and the entire management area 1 Is displayed (see reference numeral 78 in FIG. 7).

<Features>
(1) The group management apparatus 30 according to the present embodiment includes a large number of indoor units installed in each building 50a, 50b, 50c in a property 1, such as a university, hospital, factory, etc., having a plurality of buildings 50a, 50b, 50c. 12aa, 12ab, 12ac, 12ad,... Are managed as several air conditioner groups 10a, 10b, 10c. Here, the operating state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,... Is evaluated, and the defective state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,. The Moreover, the operation state of each air conditioner group 10a, 10b, 10c is evaluated based on the operation state of the indoor units 12aa, 12ab, 12ac, 12ad, ... included in each air conditioner group 10a, 10b, 10c. .

  As a result, when a plurality of buildings 50a, 50b, 50c are located in one management area 1 and the indoor units 12aa, 12ab, 12ac, 12ad,. It is possible to easily identify the power indoor units 12aa, 12ab, 12ac, 12ad,. That is, conventionally, the local controller is used to manage the operation state of a large number of indoor units in a building, but the local controller 20a can be wired only to indoor units installed in one building 50a. Therefore, in a property where a plurality of buildings exist in one management area, a plurality of local controllers are installed in one management area. Then, the system administrator who manages the entire system needs to move around the site and check all the local controllers, or check with the managers arranged in the buildings 50a, 50b, and 50c. It was. However, it takes time and labor for one administrator to move around the site and check each local controller. Further, when confirmation is made with respect to the managers arranged in the buildings 50a, 50b, and 50c, the work is complicated and judgment by a plurality of managers is not preferable. By using the group management device 30 in the present embodiment, one system administrator comprehensively performs all indoor units 12aa, 12ab, 12ac without walking around the multiple buildings 50a, 50b, 50c located in a vast site. , 12ad,... Can be grasped.

  (2) When one system administrator manages the operation state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,... At a time, the indoor units 12aa, 12ab, 12ac, 12ad,. The operation of checking the operation state one by one requires a lot of time and labor. However, the group management device 30 according to the present embodiment manages the operating states of the indoor units 12aa, 12ab, 12ac, 12ad,... As the air conditioner group 10a including them. Further, when the air conditioner group 10a includes indoor units 12aa, 12ab, 12ac, 12ad,... That are in a predetermined operation state, the air conditioner group 10a is displayed as a predetermined operation state. Therefore, for example, it is possible to easily identify whether there are indoor units 12aa, 12ab, 12ac, 12ad,... In which an abnormality has occurred in one air conditioner group 10a.

  (3) Furthermore, the group management apparatus 30 according to the present embodiment evaluates the indoor units 12aa, 12ab, 12ac, 12ad,. Therefore, the system administrator can easily determine which indoor unit 12aa, 12ab, 12ac, 12ad,...

  (4) Further, the group management apparatus 30 according to the present embodiment causes the group management display unit 32 to display a management screen displayed on the local controllers 20a, 20b, and 20c via the intranet. Thereby, browsing and operation of the display of each local controller 20a, 20b, 20c can be performed without going back and forth between each building 50a, 50b, 50c.

<Modification>
(1)
In the said embodiment, the group management apparatus 30 may evaluate a defect state in multiple steps also about evaluation of the air conditioner group 10a, 10b, 10c. That is, in the above-described embodiment, in the overall evaluation display area 72, the first evaluation (stop, operation, and abnormality) of the indoor units 12aa, 12ab, 12ac, 12ad,... Included in each air conditioner group 10a, 10b, 10c. ) Only in consideration, but the display may also be made in consideration of the second evaluation (whether there are indoor units 12aa, 12ab, 12ac, 12ad,... Satisfying the evaluation condition). Specifically, as shown in FIG. 10, whether or not each air conditioner group 10a, 10b, 10c includes indoor units 12aa, 12ab, 12ac, 12ad,. Is displayed (see reference numeral 101). Thereby, it is easily specified whether any of the air conditioner groups 10a, 10b, 10c includes the indoor units 12aa, 12ab, 12ac, 12ad,. Can do.

  In the above embodiment, as a specific example of detecting a defective state, it is determined whether or not there is any abnormality in the indoor units 12aa, 12ab, 12ac, 12ad,. This is just an example. For example, not only detection of abnormalities such as communication abnormalities, equipment abnormalities, network abnormalities, etc., but also detection of deterioration related to the capacity of air conditioners such as COPs, detection of energy savings related to energy saving such as power consumption, etc. Can be handled. As shown in FIG. 11, click on the tags 201, 202, and 203 for the “monitoring / control” display of the abnormality, the “capacity reduction degree” display, and the “energy saving degree” display of the above embodiment. If the switch is made possible by this, the system administrator can grasp each defective state. In FIG. 11, when the tag 202 is clicked, the screen is switched to a display screen that shows the detection result of the capability reduction degree as shown in FIG. For indoor units whose capacity is degraded due to dirty indoor heat exchangers and indoor filters, a mark is given depending on the degree of degradation, and in FIG. 12, any one of the indoor units on the second floor of the BB building has a capacity of 10% or less. ”Is displayed.

  In addition, the degree of the capacity reduction of the indoor unit is estimated based on the elapsed time since the last filter cleaning and used as a judgment material, or the indoor heat exchanger dirt is taken into the indoor suction temperature and the indoor blowout. It can be obtained by estimating the temperature, the temperature of the internal refrigerant of the indoor heat exchanger, and using it as a judgment material. For example, from indoor units 12aa, 12ab, 12ac, 12ad,..., In addition to information on power on / off, operation mode, set temperature, suction temperature, wind direction, etc., information on elapsed time after filter cleaning, indoor heat The group management device 30 is configured to receive information on the refrigerant temperature of the exchanger, information on the degree of opening of the indoor expansion electric valve that determines the amount of refrigerant flowing in the indoor heat exchanger, information on the indoor blowing temperature, and the like. For example, the group management device 30 can calculate the degree of capability reduction of each indoor unit 12aa, 12ab, 12ac, 12ad,.

(2)
In the above embodiment, the individual evaluation display area 71 displays all the indoor units 12aa, 12ab, 12ac, 12ad,... Installed in one place selected in the overall evaluation display area 72. It may be designed to display only the indoor units 12aa, 12ab, 12ac, 12ad,.

(3)
In the above embodiment, the result evaluated by the individual evaluation unit 35d is displayed in the individual evaluation display area 71 with a mark as shown in FIG. 8A, but is displayed in the individual evaluation display area 71 according to the evaluated result. The icons of the indoor units 12aa, 12ab, 12ac, 12ad,. For example, the indoor unit 12aa, 12ab, 12ac, 12ad,... Is displayed in yellow at the caution level, red at the caution level, and blinks yellow and red alternately when the warning level is reached. .. The failure state may be displayed in multiple stages.

  Moreover, in the said embodiment, although multistage evaluation as shown to FIG. 8A is performed, it is also possible to perform continuous multistage evaluation instead of such discrete multistage evaluation. In this case, it is conceivable to display the evaluation by changing the color and using a dark color, a light color, or a continuous color (gradation) between them. For example, in the case where the deterioration detection related to the capacity of an air conditioner such as the above-mentioned COP is handled as detection of a defective state, the higher COP is displayed in darker green, the lower COP is displayed in lighter gray, and the intermediate COP value Can be displayed with gradation of those colors.

(4)
In the above embodiment, the measurement unit 35c measures the accumulated time per month, which is the frequency of occurrence of defective states of the indoor units 12aa, 12ab, 12ac, 12ad,..., But is measured by the measurement unit 35c. The value may be the number of times per month that is the frequency of occurrence of defective states of the indoor units 12aa, 12ab, 12ac, 12ad,. In this case, it is possible to design so as to measure an abnormality detected after a predetermined time (for example, 30 minutes) has elapsed from the abnormality detected in advance so as not to repeatedly measure the abnormality that continuously occurs. desirable.

(5)
In the above embodiment, the group management device 30 may be connected to a remote management server installed in a service center or the like that is remote from the property 1 via the Internet or the like. Furthermore, a number of various controllers installed in a number of properties other than the property 1 may be connected to the remote management server.

(6)
In the embodiment described above, the group management device 30 may be designed so as to be responsible for all or part of the processing performed by the local controllers 20a, 20b, and 20c. Thereby, the group management apparatus 30 can manage the indoor units 12aa, 12ab, 12ac, 12ad,... Without using the local controllers 20a, 20b, 20c.

(7)
In the above embodiment, the group management device 30 may manage not only the air conditioners 13a, 13b, and 13c but also other equipment such as a lighting device, a water supply / drainage device, a humidifier, an elevator, and a security device. In addition, the air conditioners 13a, 13b, and 13c managed by the county management device 30 are multi-type air conditioners, but may not be multi-type air conditioners.

  For example, when the lighting equipment is monitored simultaneously with the air conditioner, a screen as shown in FIG. 13 is displayed on the group management display unit 32. In FIG. 13, not only the indoor units 12aa, 12ab, 12ac, 12ad but also the lights 15aa, 15ab, 15ac, 15ad, 15ae, 15af are displayed on the first floor of the AA building. Yes.

(8)
In the above embodiment, the outdoor units 11a, 11b, and 11c may be managed through the management screen in the same manner as the indoor units 12aa, 12ab, 12ac, 12ad,.

(9)
In the above embodiment, the overall evaluation unit 35e sets the representative value as a group state, and the representative value is displayed. In selecting the representative value, the predetermined air conditioner can be excluded from the selection target. It is also possible. For example, by inputting an air conditioner to be excluded from the input unit 33 of the group management device 30, the air conditioner can be excluded from the representative value selection target. When configured in this way, for example, the system manager's intention that the predetermined air conditioner will be excluded from the group representative selection target until the malfunction of the communication abnormality is repaired is displayed on the group management display unit 32. It will be reflected in.

  It is also conceivable that the overall evaluation performed by the overall evaluation unit 35e is performed based on an average value of predetermined values of a plurality of air conditioners instead of the representative value. For example, it is conceivable to average the values of the respective air conditioners related to the device abnormality (failure) and calculate them as group evaluation values. In this case, it is also possible to set a large weighting coefficient for the air conditioners (indoor units) installed in important rooms and to reflect the failure of the air conditioners in the important rooms greatly in the evaluation value of the group. Can be taken. If a weighting coefficient is set for each air conditioner, it is possible to reflect the intention of the system administrator in the calculation of the evaluation value of the group.

<Other embodiments>
As mentioned above, although embodiment of this invention was described based on drawing, a specific structure is not restricted to these embodiment, It can change in the range which does not deviate from the summary of invention.

  The present invention is useful as a group management apparatus that makes it possible to efficiently take necessary measures for all equipment in a management area.

10a, 10b, 10c Air conditioner groups 11a, 11b, 11c Outdoor units 12aa, 12ab, 12ac, 12ad, ... Indoor units 13a, 13b, 13c Air conditioners 20a, 20b, 20c Local controller 30 Group management device

JP-A-9-196444

Claims (6)

In one management area including a plurality of buildings (50a, 50b, 50c), a group management device (10a, 10b, 10c) for managing a large number of equipment devices respectively installed in the plurality of buildings as a plurality of groups (10a, 10b, 10c) 30),
Via a device management device (20a, 20b, 20c) that is arranged for each building and is connected to the group of the large number of equipment installed in each building and manages each of the large number of the equipment belonging to the group. An operation data acquisition unit (35a) for acquiring operation data of the plurality of facility devices;
An individual evaluation unit (35d) that evaluates the state of each facility device in multiple stages based on the operation data;
The whole which evaluates the state of a group based on the 1st representative value which judges the 1st representative value which is a value which shows the worst state among the states of the equipment apparatus evaluated by the individual evaluation part in multiple stages An evaluation unit (35e);
With
The overall evaluation unit further determines a second representative value that is a value indicating the worst state among the evaluated states of the group, and based on the second representative value, all the facilities in the one management area Assess the comprehensive status of the equipment,
Group management device. A detection unit (35b) for detecting a failure state of the equipment based on the operation data;
The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency at which the detection unit detects the defective state.
The group management apparatus according to claim 1. A measuring unit (35c) for measuring an elapsed time of the defective state detected by the detecting unit;
The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state, which is an elapsed time of the defective state in a predetermined time.
The group management apparatus according to claim 2. A measuring unit (35c) for measuring the number of times of the defective state detected by the detecting unit;
The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state which is the number of times of the defective state.
The group management apparatus according to claim 2. Individual evaluation display area indicating the state of each facility device evaluated by the individual evaluation unit, and overall evaluation display region indicating the state of the group and the comprehensive state of all the facility devices evaluated by the overall evaluation unit A display unit (32) for displaying one screen including:
The group management apparatus according to claim 1. The overall evaluation display area displays the comprehensive status of all the equipment and the status of the group in a tree structure.
The group management apparatus according to claim 5 .

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